Machine for making metal-reinforced roofing.



P. J. JEWETT.

MACHINE FOR MAKING-METAL REINFORCED ROOFING.

APPLICATION FILED OUT. 18,1913.

Patented Ju1y'28, 191L 2 SHEETS-SHEET 1.

F. J. JEWETT. MACHINE FOR MAKING METAL REINFORCED ROOFING.

APPLICATION FILED OGT.18, 1913 Patented July 28, 19M

2 SHEETS-SHEET 2.

5] woe UNITED STATES PATENT OFFICE.

ammo J. .mwmr,

OF NEW YORK, N. Y., ASSIGNOR TO H. W. JOHNS-MANVILLE COMPANY, A CORPORATION NEVI YORK.

Specification of Letters Patent.

Patented-July 28,1914.

Application filed October 18, 1913. Serial No. 796.078.

Toall whom it may concern "Be it known that I, .Fnano J. Jnwnr'r, a citizen of the United States of America, residing at New York city, borough of Mam hattan, county and State of New York, have invented certain new and useful Improvements in Machines for Making Metal-Reinforced Roofing, of which the following is a specification.

My invention relates to apparatus for The best form of apparatus, embodyingmy invention, at present known to me is illustrated in the accompanying two sheets of drawings in which' Figure 1, is a diagrammatic side View and partial section of the apparatus, and Fig. 2, is a detail perspective View of certain'portions thereof.

Throughout the drawings like reference characters indicate like parts.

1, 1, represent two pressure rolls o er which preferably run sheets of fabric such as asbestos paper marked 2, 2. These rolls rotate in the direction of the arrows. One or more other sheets of fabric such as indicated at 4, may also be fed between the rolls, being guided by guide rollers such as 3. 15, 15, represent metal sheets which are also fed down between the rolls 1, 1, and between the sheets of fabric. To protect these metal sheets from the weather and oxidation and also to cement the sheets of fabric to the metal sheet and to one another, any suitable cement, such as meited asphalt, is allowed to collect in the cement receptacle 8, formed by the rolls 1, 1, and check pieces such as 7, placed at each end of the rolls resting on the hub 1. One of these cheek pieces only is shown in the drawings. As the edges of the metal sheet cannot be sufficiently protected by the sheets of fabric 2, and 4, it is desirable to bind the edges of said metal sheet with a ribbon 10, of any tough textile fabric and this can conveniently be done in my apparatus by installing a roll of such ribbon on the shaft 11, which is journaled at right angles to the axis of the rolls 1, 1, and leading said ribbon down through the hemmer 12, which is located close to the edge of-the metal sheet.

13, is a chute for feeding the metal sheets 15. It is provided with the overhanging spring 21, atthe lower end. and the brake 16, for controlling the passage of the metal sheets. This brake is journaled on the shaft 18, and operated by the counter weight 17, lever 19, and pull cord 20.

14, represents a set of V-shapcd guides placed over the cement receptacle and rolls and under the lower end of the chute 13, to receive the metal sheets and guide them down straight between rolls 1, 1.

5, represents the continuous belt of metal reinforced-fabrie'prmluced by the combination of the metal sheets and fabric sheets and the cement, and 6, is a guide roll over which said flexible belt runs away to one side of the apparatus.

In operation the rolls 1, 1, being rotated by power in the direction shown by arrows, and the receptacle 8, being kept filled with asphalt or other ccment'hot enough to remain liquid, the metal shoots 15, are fed down through chute 13, each sheet being held by the brake 16, until the rear end.v of the preceding sheet has disappeared into the cement bath. The operator then releases the succeeding sheet by pulling on cord 20,

and thereupon the sheet passes under sprihg 21, and is thereby bent down into the V- shaped guides 14, through which it passes down between rolls 1, 1, and between the sheets of fabric running over the rolls and into the cement. At the same time the binding ribbon 10, feeds down through the hemmer 12, and folds around the adjacent edge of the metal sheet. A ll the partsare then immersed in the cement and pressed together by the rolls forming the finished product 5, whichconsists-of two or more sheets of fabric cemented together and reinforced by the metal sheets 15, each edge of each metal sheet being bound and protcctcd by the folded ribbon 10, which has also been immersed in the cement and co Inented to said metal plate and to the insides of the sheets of fabric 2, and 4.

While the drawings show only one rib bon and hemmer, another similar installation is, of course, used at the other side of the machine so as to bind and protect the other edge of the metal sheets.

Having described my invention, I claim:

1. The combination of a pair of pressure rolls, cheek pieces for the same forming therewith a liquid cement receptacle, means for feeding sheets of metal down between .said rolls and through said receptacle, and

means for applying a folded ribbon of fabric along the edge of said metal sheet as it enters said receptacle, together with means for feeding webs of fibrous material between said rolls and said metal sheets,.whereby the edges of the ribbon folded around the edges of the metal sheets are cemented to them and overlapped by the edges of the sheets of fibrous material which are /emented to the exterior of said ribbon.

2. The combination of a pair of pressure rolls, check pieces for the same forming therewith a liquid cement receptacle, means for feeding sheets of metal down between said rolls and through said receptacle, and means for applying a folded ribbon of fabric along the edge of said metal sheet as it enters said receptacle, said last mentioned means comprising a rotatable shaft journaled at right angles to the rolls, on which said ribbon is wound and a hemmer located at the edge of the path of the metal sheet, together with means for feeding webs of fibrous material between said rolls and said metal sheets, whereby the edges of the ribbon folded around the edges of the metal sheets are cemented to them and overlapped by the edges of the sheets of fibrous ma terial which are cemented to the exterior of said ribbon.

3. The combination of a pair of pressure rolls, cheek pieces for the same forming therewith a liquid cement receptacle, an inclined chute for feeding met'al sheets located above said rolls, a brake in said chute for controlling the passage of metal sheets therethrough and V-shaped guides located above said rolls and below the end of said chute, together with means for feeding webs of fibrous material between said rolls and metal sheets and means for feeding ribbons of fibrous material through said V-shaped guides.

FRANC J; J EWETT. Witnesses:

T. E. TAILRIDGE, E. J. LEGGE. 

